<template>
    <div class="login_container">
      <div class="login_box">
        <!-- 头像区 -->
        <div class="avater_box">
          <img src="../assets/logo.png" alt="">
        </div>
        <!-- 登录表单区 -->
        <el-form label-width="" ref="loginFormRef" :rules="loginFormRules" class="login_form" :model="loginForm">
          <el-form-item prop="username" >
            <!-- <el-input  prefix-icon="el-icon-user" placeholder="请输入用户名"></el-input> -->
            <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user" placeholder="请输入用户名"></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <!-- <el-input  prefix-icon="el-icon-key" placeholder="请输入密码"></el-input> -->
            <el-input v-model="loginForm.password"  type="password" prefix-icon="iconfont icon-3702mima" placeholder="请输入密码"></el-input>
          </el-form-item>
          <el-form-item class="btns">
            <el-button type="primary" @click="login">登录</el-button>
            <el-button type="info" @click="resetLoginForm">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
</template>

<script>
export default {
  data () {
    return {
      // 表单登录对象
      loginForm: {
        username: 'admin',
        password: '123456'

      },
      // 表单验证规则对象
      loginFormRules: {
        // 验证登录名是否合法
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // 重置表单
    resetLoginForm () {
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败')
        this.$message.success('登录成功')

        // 将token保存到sessionStorage中
        window.sessionStorage.setItem('token', res.data.token)
        // 跳转页面
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container{
  background-color: #2b4b6b;
  height: 100%
}

.login_box{
  width: 400px;
  height: 300px;
  background-color: white;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  .avater_box{
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #eee;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: white;

    img{
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }

  .btns{
    display: flex;
    justify-content: flex-end;
  }

  .login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }
}
</style>
